Ground aerator



FIG. 1 is a top, front, and side elevational view of a ground aerator showing my new design;

FIG. 2 is a front elevational view thereof, the rear being a mirror image of that shown;

FIG. 3 is a side elevational view thereof, the opposite side being a mirror image of that shown;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a ground aerator, as shown and described. 